Climate Chemistry Modelling using the UK Chemistry and Aerosols - PowerPoint PPT Presentation

Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry Peter Hurley, Marcus Thatcher, Mary Edwards, Holger Wolff and Ashok Luhar With thanks to Colin Johnson, Nick Hannah and Martin Dix

ESM Future Directions 1975 1985 1990 1995 2005 2010 - Atmosphere Atmosphere Atmosphere Atmosphere Atmosphere Atmosphere Land surface Land surface Land surface Land surface Land surface 200-300km Ocean & sea-ice Ocean & sea-ice Ocean & sea-ice Ocean & sea-ice L30 Sulphate Sulphate Sulphate aerosol aerosol aerosol Non-sulphate Non-sulphate aerosol aerosol Carbon cycle Carbon cycle Atmospheric Climate change and oceans composition Atmospheric chemistry Chemistry Ocean carbon cycle Aerosols Ocean temperature 50km Greenhouse gases Sea level change L100 Acidification IAM Human Activities Ecosystems Energy System Terrestrial carbon cycle Agriculture, livestock and Un-managed ecosystems Forestry Crops and forestry Coastal system Hydrology Other human systems CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

Chemical Cycles of non-CO2 Gases & Aerosols Stratospheric Chemistry Tropospheric Aerosols Chemistry Surface Layer Processes & Emissions CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS non-CO2 Gases & Aerosols • UM Aerosols (current) • CLASSIC Aerosol Scheme (Met Office) • UM + UKCA (UK Chemistry & Aerosols Model) • Tropospheric Chemistry (Met Office) • Stratospheric Chemistry (Cambridge Uni) • MODE Aerosol Scheme (Leeds Uni) • Surface Layer Processes and Emissions (Sources & Sinks) • Integrated Fluxes of Chemical Species • Wet and Dry Deposition • Atmosphere (UM Physics, e.g. Boundary Layer) • Land Surface (UM MOSES transitioning to CSIRO CABLE) • Ocean & Sea Ice (AUSCOM – MOM+CICE via OASIS) • Anthropogenic Emissions (e.g. IPCC AR5 Databases) • Natural Emissions (Databases/Interactive) • Add Australian Regional Content? (e.g. Emissions, Processes, etc) CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry • Progress (so far) • Model Simulations UM+UKCA vn6.6-7.3 • Annual Runs (1979, 2000) • Decadal Runs (1990-2000) • AMIP Style Runs (1980-2000) • Model Options • Tropospheric Chemistry & CLASSIC Aerosols • Sensitivity to Initial Conditions (e.g. 3-d vs constant) • Sensitivity to Emissions (e.g. simple scaling of methane) • With/without Radiation Feedback (e.g. Methane, Ozone) • With/without Interactive Dry Deposition • Model Evaluation • AGAGE and CSIRO Surface Networks • GEMS Chemical Species Reanalyses CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry CSIRO Network CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry OBS CH4 (ppb) - CSIRO Network 2000 ALT CFA 1900 CGO Concentration CYA ESP 1800 MAA MLO MQA 1700 SIS SPO 1600 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year UKCA CH4 (ppb) - CSIRO Network 2000 ALT CFA 1900 CGO Concentration CYA ESP 1800 MAA MLO MQA 1700 SIS SPO 1600 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry OBS CO (ppb) - CSIRO Network 300 ALT CFA CGO 200 Concentration CYA ESP MAA MLO 100 MQA SIS SPO 0 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year UKCA CO (ppb) - CSIRO Network 300 ALT CFA CGO 200 Concentration CYA ESP MAA MLO 100 MQA SIS SPO 0 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 Year CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry

ACCESS Tropospheric Chemistry • Progress (future) • Model Simulations UM+UKCA vn7.3 and beyond • AMIP Style Runs (1980-2010) • AMIP Style Runs (1980-2010) with Meteorological Nudging • CMIP Style Runs (Historic/Future) • IPCC AR6 Contribution • Model Options • Tropospheric Chemistry & CLASSIC Aerosols • Tropospheric/Stratospheric Chemistry & CLASSIC Aerosols • Tropospheric/Stratospheric Chemistry & MODE Aerosols • Process Development (e.g. linkages to ACCESS Components) • Emissions Development (e.g. Regional, Natural, Interactive) • Model Evaluation • AGAGE and CSIRO Surface Networks • GEMS Chemical Species Reanalyses • Satellite Products • Ground-Based Profilers CSIRO. Climate Chemistry Modelling using the UK Chemistry and Aerosols Model within ACCESS: Tropospheric Chemistry